On Mon, Nov 11, 2013 at 12:25 PM, Gabor Juhos <juh...@openwrt.org> wrote: > > 2013.11.11. 10:52 keltezéssel, Daniel Schwierzeck írta: > > 2013/11/10 Alon Bar-Lev <alon.bar...@gmail.com>: > >> Hello, > >> > >> master is: 15c5cdf from Fri Nov 8 15:25:29 2013 -0500 > >> u-boot-2013.10 > >> > >> Working in qemu-1.5.3. > >> Does not work in qemu-1.6.1. > >> > >> The command prompt is not displayed, 100% cpu consumption. > >> > >> --- > >> $ qemu-system-mips -M malta -nographic -drive if=pflash,file=/tmp/flash -m > >> 256 > >> > >> > >> U-Boot 2013.10-00249-g15c5cdf (Nov 10 2013 - 18:00:48) > >> > >> Board: MIPS Malta CoreLV (Qemu) > >> DRAM: 256 MiB > >> --- > >> > >> Any idea what the difference? any fix pending somewhere? > >> > > > > it is obviously am upstream change in qemu, which requires a fix in u-boot. > > > > Paul or Gabor, do you have an idea? > > It is broken since the following change in qemu: > > commit a427338b222b43197c2776cbc996936df0302f51 > Author: Paul Burton <paul.bur...@imgtec.com> > Date: Fri Jun 14 08:30:44 2013 +0100 > > mips_malta: correct reading MIPS revision at 0x1fc00010 > > Rather than modifying the BIOS code at its original location, copy it > for the 0x1fc00000 region & modify the copy. This means the original > ROM code is correctly readable at 0x1e000010 whilst the MIPS revision > is readable at 0x1fc00010. > > Additionally the code previously operated on target memory which would > later be overwritten by the BIOS image upon CPU reset if the -bios > argument was used to specify the BIOS image. This led to the written > MIPS revision being lost. Copying using rom_copy when -bios is used > fixes this issue. > > Signed-off-by: Paul Burton <paul.bur...@imgtec.com> > Signed-off-by: Leon Alrae <leon.al...@imgtec.com> > Signed-off-by: Aurelien Jarno <aurel...@aurel32.net> > > Due to that change, we are getting a CPU exception while probing the > flash at the 0x1fc00000 address. > > Changing the MALTA_FLASH_BASE constant to 0x1e000000 in > 'arch/mips/include/asm/malta.h' fixes the problem. I will send a patch for > that. > > -Gabor
Thanks for quick response! I confirm this works in qemu-1.5 and qemu-1.6. Regards, Alon Bar-Lev. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
